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Narsarsukite
Narsarsukite

Heliotrope
Heliotrope



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Narsarsukite
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Heliotrope

Narsarsukite and Heliotrope Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Pearly
Weak; O = colorless to yellow; E = colorless to honey-yellow
0.02
Transparent, Translucent
1.610-1.647
-
tetragonal
0.021
Transparent
 
Vitreous
-
0.01
-
1.53-1.54
-
Trigonal
0.004
-

Narsarsukite and Heliotrope Optic Character

Narsarsukite and Heliotrope optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Narsarsukite Vs Heliotrope like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Narsarsukite and Heliotrope optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Narsarsukite and Heliotrope Transparency

Similar to their colors, Narsarsukite and Heliotrope transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Narsarsukite is while Narsarsukite is in appearance.